Mechanical Apparatus TRIZ Cases

See how duty-cycle-controlled solenoid valves replace static thermal expansion to achieve five-

See how model-based simulation optimizes HVAC, EV, and solar schedules by adapting to real-time

See how a barrier-and-wicking sensor assembly channels tank leaks toward detection points, prev

See how processor-controlled frequency adjustment avoids resonant vibration in inverter air con

Incremental bypass airflow control relieves zoned HVAC static pressure, cuts noise, and protects coils from temperature extremes.

See how a relocatable thermostat detects location changes, reuses learned parameters, and adapt

See how an inclined-edge drainage tray positioned close to the heat pump prevents condensate fr

See how networked thermostats use weather forecasts and assigned time slots to shift HVAC peak

See how segmented fans with 360-degree radial suction and multi-directional discharge expand pu

See how steady-state EER data is extracted from dynamic field operations using temperature segm

See how a motor-driven push rod and sensor system automatically opens refrigerator doors agains

See how centralized refrigerant sensors in the outdoor unit detect leaks across multiple indoor

See how rerouting refrigerant through indoor and non-defrosted outdoor units during partial def

See how staged variable-capacity DX circuits with pumped refrigerant economizer mode reduce com

See how a heating element and temperature sensor thermally coupled to a conduit wall detect vap

Short high-rate BLE advertising bursts notify multiple user devices of state changes while limiting battery drain between events.

See how an eccentric-adjusted bracket and coil spring enable dynamic tension control to improve

See how a PTC heater uses composite materials—aluminum alloy heat conductor with stainless stee

See how a MOSFET-based detection circuit monitors excessive sleep current in wireless HVAC devi

See how opposing push hoods with colliding uniform air flows form a wider clean workspace, redu

See how temperature efficiency ratio calculation detects heat medium leakage and flow abnormali

See how sub-zone segmentation and movement tracking enable presence profiles that predict occup

See how heat-source-side expansion valve regulation ensures liquid-phase refrigerant flow below

See how a dual-mode dehumidifier uses a four-way valve and separate fans to simplify flow paths

See how preset environmental patterns coordinate air supply, odor, sound, and lighting to simul

See how a non-contact snowfall detection device fixed to the grill detects snow accumulation an

See how temperature-based airflow direction switching blocks cold air entry from walls during h

By comparing remote-controller temperature with a preset value, the unit avoids cooling when the remote is outside the target room.

See how dual-circuit compressor and fan staging with variable speed control reduces HVAC power

See how measuring high-temperature duration before updating target evaporation temperature prev

Aggregate control line current reveals HVAC operating mode without multiple sensors, cutting installation cost and enabling remote fault alerts.

See how a thermostat with voice recognition, microphone, and speaker enables hands-free HVAC co

See how individually adjustable directional outlets with pressure feedback maintain air balance

See how a heat exchanger tube with nested first and second channels forms distinct refrigerant

See how environmental control devices reduce energy consumption by analyzing influencing factor

Presence-based mode switching stops the inactive room unit and starts the occupied room unit, cutting wasted electricity in multi air conditioners.

See how an external expansion valve stages refrigerant pressure reduction to prevent two-phase

See how ventilation minimizing and sensible heat prioritizing control reduce rapid energy consu

See how mathematical models segment HVAC subsystems, generate optimized set points, and enable

Dynamic lockout thresholds use outdoor temperature and cycle run time to cut short cycling, save energy, and limit auxiliary heat use.

See how open-cell porous collecting electrodes capture particles internally to extend cleaning

See how segmented storage rooms with heater-controlled outdoor unit temperature prevent refrige

See how merging display, scale, and operating elements into one unit simplifies parameter selec

See how alternating lead-lag cooling appliance designation reduces uneven wear and excessive cy

See how automated commissioning sequences, stored settings, and self-testing routines simplify

See how controlled humidity and filtration in a coating chamber stabilize drug amounts on thera

See how an evacuation line and accumulator enable fast refrigerant recovery between cooling and

See how a modular air handler uses friction-based sliding coupling to eliminate screw fastening

A central three-pipe water loop replaces indoor refrigerant units to cut energy loss, installation complexity, and operating noise.

A plastic support system secures lighting elements to safety helmets using removable attachment slots and friction mechanisms.

A modular jack and dolly assembly uses a reversible drive mechanism to actuate lifting arms for vehicle movement.

Controller adjusts LED power output to extend runtime from 2 to 12 hours while maintaining required light intensity.

A luminaire light guide uses segmented clear and diffuse plastic areas to distribute light while suppressing glare.

A waveguide manufacturing method deposits metal across adhesive layers to create integrated light input and extraction wells.

A backlight unit light conversion layer converts LED emission to white light using semiconductor nanocrystals in a polymer matrix.

Offset embossed and concave reflection patterns scatter light within the guide plate, eliminating hot spots in edge-lit backlight units.

Segmented light guide plates with through holes attach via fixation units to prevent movement and maintain uniform luminance.

A remote control pedestal adapts vehicles for operation using integrated servos and actuators.

Bent polarizers overlap to cover panel edges, preventing light leakage while allowing thermal expansion without structural deformation.

Multi-reflection devices redirect light to reduce loss while diffusion prevents interference patterns.

Quick-replace control modules in the light armature resolve maintenance bottlenecks while maintaining homogeneous illumination.

Convex portions on the package structure create air gaps that prevent optical film adhesion and improve light uniformity.

Segmented backlight sources adjust compensating currents based on environmental temperature to reduce chromaticity deviation during thermal equilibrium.

Motor-driven pusher plates replace bulky springs to reduce loader footprint and torque requirements.

An LED cyclorama light uses an optically efficient reflector and lens system to provide uniform illumination across surfaces.

Segmented light guide plate directs optical signals to detectors while blocking noise light to improve blood component measurement accuracy.

An upright case member supports a liquid crystal display panel directly on the backlight unit.

An actuated door hides the lamp to meet security needs while exposing it for illumination.

A unified bracket merges hydraulic braking and electric shifting functions, resolving configuration complexity through spatial optimization.

Optical chamber seals motion sensors from water vapor, resolving the trade-off between detection precision and environmental reliability.

Segmented diffraction groups optimize efficiency for blue, green, and red light to reduce color shift in holographic images.

Curved freeform lightguide redirects microdisplay light via total internal reflection to expand the visual field in thin eyewear.

A transparent diffusion screen uses conical cavities to guide lateral light through a sheet while preserving optical clarity.

A multi-wavelength light source device integrates optical paths and uses photodetectors to adjust illumination output.

Segmented LEDs arranged in three dimensions replace incandescent bulbs to eliminate dark spots and reduce power consumption.

A planar light guide directs light rays through reflective surfaces to create variable intensity patterns on the output surface.

Segmented annular cage design allows thermo-lacquering without disassembly, preventing powder coating damage while enabling tool-free on-site assembly.

A lever assembly uses a cam actuator to pivot the finger grip relative to the handlebar.

Transparent silicone rubber and a diffusion microstructure homogenize light beams without additional diffusing agents, reducing mold costs.

Segmented crank arm assembly uses press-fitted shell members to support the axle mounting surfaces, resolving weight and rigidity trade-offs.

An integrated support portion replaces a rubber frame in a backlight module, reducing weight and assembly time while maintaining structural stability.

Circular-based light guide texture achieves uniform illumination while minimizing stray and back-scattered light.

Self-aligned fabrication aligns reflective islands with diffraction gratings via photoresist exposure, reducing backlight system complexity.

Light guiding fibers transfer image light to bezel areas, eliminating visible seams between joined panels.

Segmented cavities isolate adjacent emitters to stop interference, restoring brightness uniformity and contrast during area dimming.

A grazing incidence illumination device uses a planar light guiding element and decoupling structure to direct wave fields toward spatial light modulators.

An angle-dependent reflective film balances light distribution within a waveguide to deliver consistent virtual image brightness.

Anisotropic etching creates narrow deep trenches filled with metal layers to improve thermal emission efficiency while lowering manufacturing costs.

Inclined input facets in directional backlight waveguides eliminate off-axis dark voids and reduce stray light for autostereoscopic displays.

Rear graphic reflectivity creates consistent day and night appearance, reducing construction depth.

A lighting device uses a sensing module to detect environmental information for dynamic brightness adjustment.

An anisotropic optical film controls light diffusibility by incident angle, resolving visibility and efficiency trade-offs in planar light source devices.

Segmented double-sided adhesive tapes fix the light guide plate to minimize gaps during thermal expansion, maintaining high display brightness.

Recessed microstructures on the light guide plate direct light beams to enhance forward luminance while minimizing bright spot defects.

An inclined joint interface between reflecting and absorbing frame sections suppresses light leakage while maintaining device thinness.

A flexible light pipe assembly uses an adapter to press-fit onto a panel, simplifying LED mounting.

A planar light guide integrates a collimating element and reflective means to direct light rays toward an output surface.

A light guide plate integrates a lateral supporting unit with a protruding recess to enhance structural stability and optical film placement.

A back light unit uses a waveguide with two diffraction gratings and a reflection element to direct light.